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Готові списки джерел за темами / Spatial forestry / Дисертації

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Дисертації з теми "Spatial forestry"

Автор: Grafiati

Опубліковано: 28 травня 2022

Оновлено: 31 липня 2025

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1

Öhman, Karin. "Forest planning with consideration to spatial relationships /." Umeå : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2001. http://epsilon.slu.se/avh/2001/91-576-6082-4.fulltext.pdf.

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2

Andersson, Mikael. "Spatial allocation of forest production : aspects on multiple-use forestry in Sweden /." Alnarp : Swedish University of Agricultural Sciences, 2002. http://diss-epsilon.slu.se/archive/00000166/.

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Анотація:

Thesis (doctoral)--Swedish University of Agricultural Sciences, 2002.<br>Thesis documentation sheet inserted. Appendix includes four papers and manuscripts co-written with others. Includes bibliographical references. Also partially issued electronically via World Wide Web in PDF format; online version lacks appendix.

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3

Brown, Sara H. "Modeling the spatial distribution of lightning fires on two national forests." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Summer2009/s_brown_062109.pdf.

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Анотація:

Thesis (M.S. in environmental science)--Washington State University, August 2009.<br>Title from PDF title page (viewed on Sept. 15, 2009). "School of Earth and Environmental Sciences." Includes bibliographical references (p. 54-56).

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4

Horst, van der Dan. "Spatial targeting of multi-purpose forestry." Thesis, University of Aberdeen, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395064.

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Анотація:

The UK Forestry Commission seeks to expand forestry and provide more non-market benefits. It must therefore identify areas where afforestation will bring a high amount of particular benefits at acceptable costs. This thesis aims to develop a systematic framework to identify the best locations for specific forestry benefits and demonstrate its use in the existing policy context. Literature shows that economic instruments are being adapted to capture some of the spatial variability of the costs and benefits of land use change, but that a systematic framework for assessing this variability for po

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5

Kincaid, Joshua A. "Spatial models of forest-environment relationships on the Appalachian Plateaus the Allegheny Mountain section, western Maryland /." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=2090.

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Анотація:

Thesis (M.A.)--West Virginia University, 2001.<br>Title from document title page. Document formatted into pages; contains vi, 43 p. : map. Includes abstract. Includes bibliographical references (p. 40-43).

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6

Lind, Torgny. "Strategic forestry planning : evaluation of variable spatial aggregations and forest landscapes /." Umeå : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5883-8.pdf.

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7

Coulston, John Wesley. "SIMULATING FOREST STANDS BY RESAMPLING ONE-ACRE STEM MAPS: SPATIAL CHARACTERISTICS OF RESULTS." NCSU, 1999. http://www.lib.ncsu.edu/theses/available/etd-19990323-181716.

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Анотація:

<p> The purpose of this research is to generate forest stands for sampling simulations on anoperational level. In this research, a simulated forest stand consists of x and y coordinates ofstems and their attributes. One-acre stem maps are mapped stem locations and attributes from thefield. The simulation procedure is a two step process. The first step is to create discrete samplesfrom a one-acre stem map. Secondly, the discrete samples are selected randomly withreplacement and placed adjacently until a simulated forest stand of desired size and shape is built. The simulated forest stands are t

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8

Boisvenue, Céline. "Assessing forest responses to climate change and resolving productivity measurements across spatial scales." Diss., [Missoula, Mont.] : The University of Montana, 2007. http://etd.lib.umt.edu/theses/available/etd-01042008-115155/.

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9

Felix, Alexandra B. "Modeling the cumulative effects of aspen management practices on timber and wildlife at multiple spatial and temporal scales." Diss., Connect to online resource - MSU authorized users, 2008.

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Анотація:

Thesis (Ph.D.)--Michigan State University. Dept. of Fisheries and Wildlife, 2008.<br>Title from PDF t.p. (viewed on Apr. 3, 2009) Includes bibliographical references (p. 330-340). Also issued in print.

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10

Clinch, Paul G. "The spatial pattern of state afforestation in County Wicklow." Thesis, University of Aberdeen, 1985. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU361615.

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Анотація:

The spatial pattern of state afforestation in the Republic of Ireland is fragmented and dispersed. The aim of this work is to discover how significant are the economic effects of this pattern, with a particular view to seeing whether there are implications for future land acquisition policy. The forests of County Wicklow (the county with the longest history and the highest percentage area of state forestry) are examined as a test case using methods drawn from quantitative geography and from forestry. Most land for state afforestation is acquired by buying holdings no longer required in agricul

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11

Falloon, Peter Daniel. "Large scale spatial modelling of soil organic carbon dynamics." Thesis, University of Nottingham, 2001. http://eprints.nottingham.ac.uk/12338/.

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Анотація:

Under the Kyoto Protocol, participating nations are required to reduce National CO₂emissions according to their 'reduction commitment' or 'quantified emissions limitation', over the first commitment period, 2008-2012. One way in which nations could achieve this would be by increasing soil carbon storage through different management practices. Most former estimates of regional scale C sequestration potential have made use of either linear regressions based on long-term experimental data, whilst some have used dynamic soil organic matter (SOM) models linked to spatial databases. Few studies have

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12

Swain, Jeff B. "The effect of spatial resolution on an object-oriented classification of downed timber." NCSU, 2007. http://www.lib.ncsu.edu/theses/available/etd-05042007-150056/.

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Анотація:

Advancements in remote sensing technology continue to aid natural disaster damage assessment. Quick and accurate damage assessment significantly increases the speed of recovery efforts and allows aid to reach those most severely affected. Object-oriented classification techniques require minimal user input to remotely classify large areas and may be utilized to provide timely and accurate damage assessments of affected areas. In this study, I explored the use of object-oriented classification techniques to classify downed timber areas in the Dare County Bombing Range in North Carolina. The spa

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13

Figuera, Dilcia. "FACET Simulation in the Imataca Forest Reserve, Venezuela: Permanent Plot Data and Spatial Analysis." Thesis, University of North Texas, 2006. https://digital.library.unt.edu/ark:/67531/metadc5282/.

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Tree diameter data from 29 years of observations in six permanent plots was used to calculate the growth rate parameter of the FACET gap model for 39 species in the Imataca forests in Venezuela. The compound topographic index was used as a measure of differential soil water conditions and was calculated using geographic information systems. Growth rate values and topographic conditions typical of hill and valley were input to FACET to simulate dynamics at the species level and by ecological and functional groups. Species shade-tolerance led to expected successional patterns. Drought-tolerant/s

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14

Wise, Andre. "A spatial approach to edge effect modelling for plantation forestry." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85876.

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Thesis (MScFor)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: One of the major objectives in plantation forestry is to achieve a high level of homogeneity of distribution and dimension of trees within the stand. Precise planting geometries, intensive silviculture and genetic selection are used to achieve this homogeneity. However, a natural variability is still introduced by micro-‐site conditions and disturbances. A substantial source of variation is caused by edge effects of neighbouring stands or other land use forms. The

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15

DeRose, R. Justin. "Disturbance Ecology and Vegetation Dynamics at Varying Spatial and Temporal Scales in Southern Rocky Mountain Engelmann Spruce Forests." DigitalCommons@USU, 2009. https://digitalcommons.usu.edu/etd/516.

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High-severity disturbances are the primary drivers of Engelmann spruce-subalpine fir ecosystems in the southern Rocky Mountain. Recently, an unprecedented, landscape-wide (at least 250 km2) spruce beetle outbreak killed virtually all the Engelmann spruce on the Markagunt Plateau in southwestern Utah, USA. Results from dendroecological analyses suggested the combination of antecedent disturbance history and drought-driven stand development was responsible for creating suitable host conditions prior to the recent outbreak. Multiple and consistent lines of evidence suggested mixed- and high-sever

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16

Corral, Gavin Richard. "Quantifying and Mapping Spatial Variability in Simulated Forest Plots." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/77887.

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Анотація:

Spatial analysis is of primary importance in forestry. Many factors that affect tree development have spatial components and can be sampled across geographic space. Some examples of spatially structured factors that affect tree growth include soil composition, water availability, and growing space. Our goals for this dissertation were to test the efficacy of spatial analysis tools in a forestry setting and make recommendations for their use. Reliable spatial analysis tools will lead to more effective statistical testing and can lead to useful mapping of spatial patterns. The data for this p

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17

Jones, Thomas Luke. "A FOREST PRODUCT/BIOENERGY MILL LOCATION AND DECISION SUPPORT SYSTEM BASED ON A COUNTY-LEVEL FOREST INVENTORY AND GEO-SPATIAL INFORMATION." MSSTATE, 2009. http://sun.library.msstate.edu/ETD-db/theses/available/etd-06052009-120338/.

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The forest products industry is a major component of the economic base for many states in the southeastern United States. Forest inventories that are precise within a 50- to 80-mile mill working circle and the availability of decision support tools for locating mills are of primary importance in attracting and sustaining the industry. This research focuses on the current status of the State of Mississippi's efforts to provide forest inventory information to attract forest industry and balance potentially increased utilization due to new markets with resource sustainability. A pilot study is de

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18

Still, Margaret Jean. "Population dynamics and spatial patterns of Dipterocarp seedlings in a tropical rain forest." Thesis, University of Stirling, 1993. http://hdl.handle.net/1893/26682.

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Анотація:

Population dynamics and spatial pattern of dipterocarp seedlings were investigated in lowland dipterocarp forest in Danum Valley Conservation Area, Sabah, East Malaysia. Seedlings (< 10 cm gbh) were enumerated in two areas (2.0 and 0.48 ha) within the tree enumeration plots established by the University of Stirling project, and surveyed over 22 months. Seedlings of the major canopy and emergent dipterocarps in the area were common: Shorea johorensis (Red Meranti); S. argentifolia, S. leprosula, S. parvifolia (Light Red Merantis, LRM) and Parashorea maleanonan, all light demanding species; S. f

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19

Hobbs, Royden J. "Breeding biology and spatial relationships of desert grassland raptors and corvids." Diss., The University of Arizona, 2004. http://hdl.handle.net/10150/280613.

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Red-tailed hawks (Buteo jamaicensis), Swainson's hawks (Buteo swainsoni), great horned owls (Bubo virginiaus), and ravens (Covus corax and C. cryptoleucus) occur sympatrically in desert grasslands in Arizona. Desert grasslands have been invaded by trees since Anglo-American settlement. They may also be subject to greater human disturbance than historically, because of recent increases in illegal immigration along the U.S.-Mexico border. These changes may affect the abundance, diversity, competitive interactions, and reproductive success of raptors and corvids in desert grasslands. I studied r

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20

Mohamedahmed, Siham Abdelrahman. "Human-environmental interrelationships in recreation settings: A spatial approach." Diss., The University of Arizona, 2000. http://hdl.handle.net/10150/284101.

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Outdoor recreation and eco-tourism are areas of increasing interest to land management agencies worldwide. As commodity extraction values decline, and the demand for nature based recreation rises, there is a commensurate shift in the goals and management of undeveloped environments. Paralleling this rapid expansion of recreation uses is a concern for managing its future growth and its environmental impacts. Due to the complexity of the relationship between recreational use and impacts on both environmental resources and the quality of visitor experience, researchers and recreation managers hav

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21

Gaulton, Rachel. "Remote sensing for continuous cover forestry : quantifying spatial structure and canopy gap distribution." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/3419.

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The conversion of UK even-aged conifer plantations to continuous cover forestry (CCF), a form of forest management that maintains forest cover over time and avoids clear-cutting, requires more frequent and spatially explicit monitoring of forest structure than traditional systems. Key aims of CCF management are to increase the spatial heterogeneity of forest stands and to make increased use of natural regeneration, but judging success in meeting these objectives and allowing an adaptive approach to management requires information on spatial structure at a within-stand scale. Airborne remote se

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22

Kuenzi, Amy Jo. "Spatial and temporal patterns of bat use of water developments in southern Arizona." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/279919.

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I studied bat activity at 13 artificial and 4 natural water sources in southern Arizona from May 1995 through August 1996 using mist-nets and ultrasonic detectors. I used 2 indices of bat activity, capture rates, calculated from mist-netting data, and bat passes/30 minutes, calculated from ultrasound data. Both methods provided similar information on temporal patterns of bat activity. Indices of bat activity were highest during the reproductive season (May through August) compared to the non-reproductive season (September through April). Bat activity did not differ between any of the 2-week ti

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23

McDonald, Hannah Beth. "Tree Growth and Spatial Pattern in Two Forest Park Permanent Plots: A Look at Stand Composition and Condition." PDXScholar, 2011. https://pdxscholar.library.pdx.edu/open_access_etds/313.

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In June of 2010, two permanent research plots were established in Forest Park, based on their differing proximities to downtown Portland, Oregon. As part of a long-term ecological research project that seeks to explore the ecological status and human thumbprint on this 5,100 acre forested reserve, the 2010 tree data was investigated for emergent compositional and spatial patterns. Stand composition, tree size, growth rates, and spatial patterns were analyzed, along with ecological and land use histories. Results indicate that the Balch plot, more closely located to the urban center, has differ

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24

Schelling, Lisa R. "Soil seed banks in mixed oak forests in Southeastern Ohio." Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1141850222.

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25

Sarker, Swapan Kumar. "Spatial and temporal patterns of mangrove abundance, diversity and functions in the Sundarbans." Thesis, University of Glasgow, 2017. http://theses.gla.ac.uk/8499/.

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Mangroves are a group of woody plants that occur in the dynamic tropical and subtropical intertidal zones. Mangrove forests offer numerous ecosystem services (e.g. nutrient cycling, coastal protection and fisheries production) and support costal livelihoods worldwide. Rapid environmental changes and historical anthropogenic pressures have turned mangrove forests into one of the most threatened and rapidly vanishing habitats on Earth. Yet, we have a restricted understanding of how these pressures have influenced mangrove abundance, composition and functions, mostly due to limited availability o

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26

Yerbury, Michael D. "The spatial and temporal distribution of moisture within Sitka spruce standing trees and roundwood logs." Thesis, University of Glasgow, 2017. http://theses.gla.ac.uk/7868/.

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Анотація:

Within the UK, levels of timber processing are set to increase as the plantation grown forest resource reaches financial maturity. Made up predominately of exotic coniferous species, this resource has been the focus of many recent studies as wood users look to improve their fundamental knowledge of the primary characteristics that will enable them to make more appropriate decisions and capitalise on future opportunities. As a further contribution to this knowledge base, it was the aim of this thesis to determine moisture content variation within Sitka spruce (Picea sitchensis (Bong.) Carr) sta

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27

Keating, Brian Elliott 1968. "Prescribed fire and ecosystem management: Managerial considerations for longer temporal and broader spatial scales." Thesis, The University of Arizona, 1995. http://hdl.handle.net/10150/278497.

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Анотація:

Ecosystem management is positioned as the modern paradigm of resource management. Fire management activities within the natural resource management agencies, under the adoption of an ecosystem management approach, supports an increased focus upon prescribed and manager-ignited fire programs. A review of past national fire policies and the effects they have had upon ecosystem conditions today further supports the role for prescribed fire. Under an ecosystem management approach, resource managers need to consider the effects of fire management activities over longer temporal and broader spatial

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28

Henry, Mary Catherine. "Characterizing fire-related spatial patterns in fire-prone ecosystems using optical and microwave remote sensing." Diss., The University of Arizona, 2002. http://hdl.handle.net/10150/280006.

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Анотація:

The use of active and passive remote sensing systems for relating forest spatial patterns to fire history was tested over one of the Arizona Sky Islands. Using Landsat Thematic Mapper (TM), Shuttle Imaging Radar (SIR-C), and data fusion I examined the relationship between landscape metrics and a range of fire history characteristics. Each data type (TM, SIR-C, and fused) was processed in the following manner: each band, channel, or derived feature was simplified to a thematic layer and landscape statistics were calculated for plots with known fire history. These landscape metrics were then cor

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29

Wallace, Cynthia S. A. "Extracting temporal and spatial information from remotely sensed data for mapping wildlife habitat." Diss., The University of Arizona, 2002. http://hdl.handle.net/10150/280220.

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The research accomplished in this dissertation used both mathematical and statistical techniques to extract and evaluate measures of landscape temporal dynamics and spatial structure from remotely sensed data for the purpose of mapping wildlife habitat. By coupling the landscape measures gleaned from the remotely sensed data with various sets of animal sightings and population data, effective models of habitat preference were created. Measures of temporal dynamics of vegetation greenness as measured by National Oceanographic and Atmospheric Administration's Advanced Very High Resolution Radiom

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30

Golinkoff, Jordan Seth. "Estimation and modeling of forest attributes across large spatial scales using BiomeBGC, high-resolution imagery, LiDAR data, and inventory data." Thesis, University of Montana, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3568103.

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<p> The accurate estimation of forest attributes at many different spatial scales is a critical problem. Forest landowners may be interested in estimating timber volume, forest biomass, and forest structure to determine their forest's condition and value. Counties and states may be interested to learn about their forests to develop sustainable management plans and policies related to forests, wildlife, and climate change. Countries and consortiums of countries need information about their forests to set global and national targets to deal with issues of climate change and deforestation as well

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31

Ярова, Інесса Євгенівна, Инесса Евгеньевна Яровая та Inessa Yevhenivna Yarova. "Екологічно орієнтована лісогосподарська політика просторового розвитку в умовах євроінтеграційних процесів". Thesis, Суми: СНАУ, 2018. https://essuir.sumdu.edu.ua/handle/123456789/82776.

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Анотація:

Екологічно орієнтована політика щодо природних ресурсів розглядається як більш загальний підхід до реалізації організації інтегрованого багатоцільового природокористування, екосистемного управління природогосподарськими галузями відповідно до змін парадигми ставлення людства до соціально-екологічних проблем розвитку цивілізації у просторовому вимірі. У процесі формування і подальшого розвитку національної лісогосподарської політики, орієнтованої на децентралізацію управління лісовими ресурсами, дуже важливо визнати необхідність і актуальність вирішення проблеми екосистемного управління галуззю

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32

Okay, Atiye Zeynep. "Spatial pattern and temporal dynamics of northern bobwhite abundance and agricultural landuse, and potential casual factors." Texas A&M University, 2004. http://hdl.handle.net/1969.1/3355.

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Анотація:

There was a long-term decline in northern bobwhite (Colinus virginianus, NBW) abundance since the 1920s, based on the Christmas Bird Count (CBC) data, but with substantial spatial and temporal variations across its range. There were four recognizable periods in the spatial and temporal dynamics of NBW abundance between 1920 and 1990. Severe weather conditions and habitat loss due to land use change appeared to be the most important factors influencing the long-term trends and spatial patterns in NBW abundance. A spatial database of agricultural land use was developed based on the Census of Agr

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33

Stults, Shelby A. "Quantifying Environmental Services: A Spatial Analysis of Northern Guatemala." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1524062954466614.

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34

Skurupey, James. "A sensitivity analysis of uncertainty in the spatial resolution of the underlying data used for estimating soil erosion susceptibility in New Zealand." Thesis, University of Canterbury. School of Forestry, 2013. http://hdl.handle.net/10092/7827.

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This study investigates the effect of changes in map scale on the error in the development of areal map units and their associated erosion severity measurements of New Zealand’s (NZ) Land Use Capability (LUC) surveying system. A map scale of 1:50,000 was used in the underlying data (i.e., a LUC survey) of an Erosion Susceptibility Classification (ESC) system, which was developed by Bloomberg and others (2011) of the University of Canterbury for the Ministry for the Environment’s (MFE) 2010 proposed National Environmental Standard for Plantation Forestry. The ESC was intended for local erosion

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35

Lowry, John H. Jr. "Spatial Analysis of Urbanization in the Salt Lake Valley: An Urban Ecosystem Perspective." DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/746.

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Анотація:

Because urban areas comprise a variety of biotic (e.g. people, trees) and abiotic (e.g. streets, water) components that interact and are often interdependent upon one another, it is helpful to study urban areas as urban ecosystems. Our goal in Chapter 2 is to measure and quantify the spatial and demographic structure of the urbanized portion of Salt Lake County, Utah. We use 18 metrics from four broad categories (density, centrality, accessibility, and neighborhood mix) to measure urban form for three age-based residential neighborhood types. Using analysis of variance (ANOVA) we test for d

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36

Dheny, Trie Wahyu Sampurno. "Integrated Spatial Analysis and Community Participation for Tropical Peat Ecosystem Revitalization: Case Study on Tebing Tinggi Island, Riau Province, Indonesia." Kyoto University, 2020. http://hdl.handle.net/2433/253398.

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37

Saarinen, T. (Tuomas). "Temporal and spatial variation in the status of acid rivers and potential prevention methods of AS soil-related leaching in peatland forestry." Doctoral thesis, Oulun yliopisto, 2013. http://urn.fi/urn:isbn:9789526201108.

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Abstract This thesis examines temporal and spatial variations in the status of different rivers and streams of western Finland in terms of acidity and sources of acid load derived from the catchment area. It also examines the monitoring of acid runoff water derived from maintenance drainage in peatland forestry and suggests potential mitigation methods. A total of 17 river basins of different sizes in western Finland were selected for study, including rivers affected by both drainage of agricultural AS soils and forested peatlands. Old data from 1911–1931 were available, but most data were fro

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38

Campana, Dalton. "Spatial and Temporal Trends of Trace Elements in Tree Cores Along the Industrial Mahoning River, Northeast Ohio." Youngstown State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1578581272382014.

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39

Sundström, Alice Ulrika. "Tillväxt och blandskogseffekt i återplanterade objekt : Tecken på spatial inverkan på blandskogseffekt i unga trädbestånd." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-131056.

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2001 skedde ett kraftigt utbrott av Gremeniella abietina (Lagerb.) M. Morelet i området Bergvik, Dalarna. Skogsägarna var tvungna att avverka kraftigt i deras tallbestånd som respons på detta. I de objekt som återplanterades planterades det nya artsammansättningar än vad som planterats tidigare, gran och blandbestånd av gran och tall. I denna studie jämfördes och inventerades medelhöjderna på de återplanterade objektens träd för att skatta arternas framgång i de olika ståndorterna. Gran verkade vara mest lämpat eftersom den växte signifikant bättre än vad tillväxtekvationerna hade förutspått.

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40

Gobbi, Stefano. "Fine spatial scale modelling of Trentino past forest landscape and future change scenarios to study ecosystem services through the years." Doctoral thesis, Università degli studi di Trento, 2021. http://hdl.handle.net/11572/324420.

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Over recent decades, forest land cover is dramatically changing in European mountains and in the Alps in particular. Since the 1950s the progressive urbanization of the valleys and the abandonment of mountain and rural dwellers has intensified. More than 60% of the Trentino land, is covered by forest and mainly by high forest. This human migration have brought to a progressive shrinking of meadows and pastures due to the natural forest expansion causing a dramatic change in the landscape, the consequences of which affect biodiversity, social and cultural dynamics and landscape perception as we

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41

Mejzini, Ilirjana A. "The SHARR Mountains : Spatial Development based on Cross-border Cooperation." Thesis, Blekinge Tekniska Högskola, Sektionen för teknokultur, humaniora och samhällsbyggnad, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4221.

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For decades, the peaks of Sharr Mountains had defined the border between two federal units of Former Yugoslavia, but after the political changes in Central and Eastern European Countries this massif became an intersected mountain. In this thesis work I saw of interest to analyze the status change from a massif unit as part of one state, to a cross-border mountain between two states and its affect on spatial development; - was there any cooperation on mountain management in the past; - how is the current mountain management proceeding on both sides; - which were the opportunities of cross-borde

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42

Monarch, Elizabeth Anne. "Ground-flora Composition and Diversity of Young and Mature Wildfire-Regenerated Jack Pine Stands." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397712396.

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Nascimento, Rafael Marques. "Abordagem de floresta de precisão para qualidade silvicultural em plantio comercial de Eucalyptus sp." Universidade Federal de Santa Maria, 2017. http://repositorio.ufsm.br/handle/1/11361.

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Precision Forestry (PF) involves activities that can be considered as solutions to maintain the balance between sustainable development and the environmental benefits obtained through its adoption. Equipment and techniques used in this approach aim to use the spatial variability of forests through the collection of georeferenced data and information management in geographic information systems (GIS), to enable the differentiated management of specific areas, according to the requirements of each forest site to increase the productivity. This study aimed to apply spatial analysis to quality dat

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Ярова, Інесса Євгенівна, Инесса Евгеньевна Яровая та Inessa Yevhenivna Yarova. "Особливості просторової організації лісового господарства в Україні". Thesis, ДКС Центр (м. Київ), 2019. https://essuir.sumdu.edu.ua/handle/123456789/82533.

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У роботі зазначається необхідність аналізу просторового розвитку лісового господарства в рамках регіональної економіки в контексті формування підходу ,що дає можливість вивчати особливості еколого-економічних систем, механізми інтегрування їх елементів до регіонального простору, встановлювати закономірності функціонування, формувати на цій основі оптимізаційні моделі територіальної організації та стратегічні пріоритети розвитку територіальних та галузевих систем.<br>В работе отмечается необходимость анализа пространственного развития лесного хозяйства в рамках региональной экономики в контек

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45

Beguet, Benoît. "Caractérisation et cartographie de la structure forestière à partir d'images satellitaires à très haute résolution spatiale." Thesis, Bordeaux 3, 2014. http://www.theses.fr/2014BOR30041/document.

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Les images à très haute résolution spatiale (THR) telles que les images Pléiades (50 cm en Panchromatique, 2m en multispectral) rendent possible une description fine de la structure forestière (distribution et dimensions des arbres) à l'échelle du peuplement, en exploitant la relation entre la structure spatiale des arbres et la texture d'image quand la taille du pixel est inférieure à la dimension des arbres. Cette attente répond au besoin d'inventaire spatialisé de la ressource forestière à l'échelle du peuplement et de ses changements dus à la gestion forestière, à l'aménagement du territoi

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46

Jonikavičius, Donatas. "Neparametrinio kNN metodo taikymo miškų inventorizacijoje tyrimai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2007. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2007~D_20070816_155012-59829.

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Magistro darbe yra nagrinėjamos neparametrinio knn (k-nearest neighbor) metodo taikymo galimybės Lietuvos sąlygomis vertinant tradicinius miško taksacinius rodiklius bet kokiame šalies teritorijos taške. Darbo objektas – Dubravos miškų urėdijos Dubravos miškas. Darbo tikslas – įvertinti neparametrinio knn (k-nearest neighbor) metodo taikymo Lietuvos miškų inventorizacijose galimybes. Darbo rezultatai. Nustatyta, kad taksacinių rodiklių įvertinimo knn metodu tikslumas kyla didinant apskaitos vienetų, išmatuotų vietovėje, skaičių. Pagrindiniai knn metodo parametrai, kuriais gauti geriausi rezu

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Levers, Christian. "Understanding spatial patterns of land-system change in Europe." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät, 2016. http://dx.doi.org/10.18452/17485.

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Die Nutzung von terrestrischen Ökosystemen zur Befriedigung der Grundbedürfnisse der Menschheit hat tiefgreifende Auswirkungen auf das Erdsystem und führte zur Ausprägung von anthropogen dominierten Landsystemen. Diese sind von hoher Komplexität, da sie aus einer Vielzahl von unterschiedlichsten Einflussfaktoren angetriebenen Landnutzungsveränderungen hervorgegangen sind. Aktuelle Forderungen nach einer nachhaltigen zukünftigen Landnutzung erfordern ein fundiertes und integratives Verständnis dieser Komplexität. Das Hauptziel dieser Arbeit ist es, ein besseres Verständnis der raum-zeitlichen M

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48

Ярова, Інесса Євгенівна, Инесса Евгеньевна Яровая та Inessa Yevhenivna Yarova. "Екологічний маркетинг та менеджмент в системі трансформації простору лісогосподарювання на підприємницьких засадах". Thesis, Харків:ХНАДУ, 2018. https://essuir.sumdu.edu.ua/handle/123456789/82779.

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У роботі зазначається, що сучасні орієнтири в напрямку постіндустріального сталого розвитку обумовлюють формування нової методології дослідження лісового комплексу, коли територія розглядається не тільки як фізичний (природно-географічний) базис лісогосподарювання, а перш за все як простір розгортання інформаційних, інноваційних та знанняємних процесів.<br>В работе отмечается, что современные ориентиры в направлении постиндустриального устойчивого развития обусловливают формирование новой методологии исследования лесного комплекса, когда территория рассматривается не только как физический (при

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Sjolund, M. Jennifer. "Interactions between natural and anthropogenic impacts on the genetic diversity and population genetic structure of European beech forests." Thesis, University of Stirling, 2014. http://hdl.handle.net/1893/21657.

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The accurate assessment of forest persistence under environmental change is dependent on the fundamental understanding of the genetic consequences of human intervention and its comparison to that of natural processes, as declines in genetic diversity and changes in its structuring can compromise the adaptive ability of a population. The European beech, Fagus sylvatica, has experienced prolonged human impact over its 14 million ha range with contemporary forests harbouring high ecological, economic, and cultural value. Historical traditional management practices, such as coppicing and pollardin

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Ortiz, Jonas Luís. "Emprego do geoprocessamento no estudo da relação entre potencial produtivo de um povoamento de eucalipto e atributos do solo e do relevo." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-04122003-152239/.

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O presente trabalho teve como objetivo principal a aplicação de uma metodologia, empregando técnicas de estatística clássica, geoestatística e geoprocessamento, para o mapeamento da variabilidade espacial do potencial produtivo em um talhão com clones de Eucalypt us grandis, aos 6,3 anos de idade, e analisar sua relação com atributos do solo e do relevo, dentro de uma abordagem denominada Silvicultura de Precisão. A investigação foi conduzida numa área de 8,4 ha, com relevo acidentado, pertencente à Suzano Bahia Sul Celulose, em Paraibuna, SP. Foi instalada, na área experimental, uma gr

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